Jay bought a painting on sale for 45% off the original price, for $27. What was the price of the painting before the sale?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

How many terms does the polynomial x^2 y^2 have

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244